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61by Dutton, Carl E. (Carl Evans), 1904-Subjects: “...Geology Michigan Iron County....”
Published 1971
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62
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63by Albert, Dennis A.Subjects: “...Landscape ecology Michigan....”
Published 1995
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64Published 2001Subjects: “...Hydroelectric power plants Environmental aspects Michigan....”
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65
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66Published 1975Subjects: “...Forest reserves Michigan....”
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67Published 1986Subjects: “...Geology Michigan Maps....”
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68by Richards, K. D.Subjects: “...Water quality Michigan....”
Published 1998
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69by Allen, Herbert E. (Herbert Ellis), 1939-Subjects: “...Chlorophyll Michigan, Lake....”
Published 1973
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70Published 1986Subjects: “...Geology Michigan Maps....”
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71by Robertson, Dale M.Subjects: “...Water Sampling Michigan, Lake, Watershed Evaluation....”
Published 1998
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72Published 1995Subjects: “...Nonpoint source pollution Michigan, Lake, Watershed....”
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73by Leshkevich, George A.Subjects: “...Ice on rivers, lakes, etc. Michigan, Lake....”
Published 1981
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74by Fitzgerald, Sharon A. (Sharon Anne)Subjects: “...Water quality Michigan....”
Published 1997
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75by Mason, Ronald J.Subjects: “...Indians of North America Michigan, Lake, Region Antiquities....”
Published 1986
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76Published 1978Subjects: “...Forest management Michigan....”
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77Published 1990Subjects: “...Geology Michigan Maps....”
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78Published 1992Subjects: “...Geology Michigan Maps....”
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79Published 1996Subjects: “...Water quality biological assessment Michigan....”
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80Published 1996Subjects: “...Geology, Structural Michigan Gogebic County Maps....”
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